login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A195823 Decimal expansion of 8*Pi*5^(1/2). 0
5, 6, 1, 9, 8, 5, 1, 7, 8, 4, 8, 3, 2, 5, 8, 1, 1, 1, 4, 5, 2, 5, 0, 9, 9, 7, 1, 4, 5, 6, 3, 9, 1, 5, 8, 3, 9, 5, 7, 3, 2, 0, 7, 3, 4, 9, 6, 5, 3, 7, 6, 1, 9, 3, 5, 9, 9, 1, 7, 7, 6, 8, 2, 0, 9, 5, 3, 7, 1, 3, 5, 0, 4, 4, 9, 5, 3, 5, 0, 5, 6, 4, 0, 8, 3, 3, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Equals 4*A212003/Product(Gamma(i/4), i=1..4). - Bruno Berselli, Jan 17 2013

LINKS

Table of n, a(n) for n=2..88.

Soon-Yi Kang and Chang Heon Kim, Arithmetic Properties of Traces of Singular Moduli on Congruence Subgroups, arXiv:0904.3777v1, Apr 24 2009, p. 5 (Example 1).

EXAMPLE

56.1985178483258111452509971456391583957320734965376193599177682...

MATHEMATICA

RealDigits[8*Pi*5^(1/2), 10, 87][[1]] (* Bruno Berselli, Feb 04 2012 *)

CROSSREFS

Cf. A000796.

Sequence in context: A175647 A131947 A113262 * A105577 A054655 A290319

Adjacent sequences:  A195820 A195821 A195822 * A195824 A195825 A195826

KEYWORD

nonn,cons

AUTHOR

Omar E. Pol, Feb 01 2012

EXTENSIONS

More terms from Bruno Berselli, Feb 04 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 13 08:18 EST 2019. Contains 329093 sequences. (Running on oeis4.)